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1include "path.mzn"; 2 3predicate fzn_bounded_dpath(int: N, int: E, array[int] of int: from, array[int] of int: to, array[int] of int: w, 4 var int: s, var int: t, array[int] of var bool: ns, array[int] of var bool: es, var int: K) = 5 dpath(N,E,from,to,s,t,ns,es) /\ 6 K = sum(e in 1..E)(es[e]*w[e]);